*{
	margin: 0;
	padding: 0;
}
#app{
	width: 800px;
	background-color: orange;
	margin: auto;
	padding-top: 20px;
	padding-left: 20px;
}
img{
	width: 20px;
	height: 20px;
}
#d1>button{
	margin-top: 5px;
}
#d1>div{
	margin-left: 10px;
}
#d1{
	margin-bottom: 10px;
}
#d2>div>div{
	margin-left: 15px;
}
#d2>div{
	margin-left: 10px;
}
#d2{
	padding-bottom: 20px;
}
#info{
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	right: 0;
	margin: auto;
	background-color: blue;
	width: 300px;
	height: 300px;
	text-align: center;
	line-height: 300px;
	color: white;
	font-size: 25px;
}


.none{
	display: none;
}